GB1342550A - Process for transforming alicyclic ketoximes into the corres ponding lactams - Google Patents
Process for transforming alicyclic ketoximes into the corres ponding lactamsInfo
- Publication number
- GB1342550A GB1342550A GB2243072A GB2243072A GB1342550A GB 1342550 A GB1342550 A GB 1342550A GB 2243072 A GB2243072 A GB 2243072A GB 2243072 A GB2243072 A GB 2243072A GB 1342550 A GB1342550 A GB 1342550A
- Authority
- GB
- United Kingdom
- Prior art keywords
- dmso
- ketoximes
- solution
- lactams
- transforming
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 150000003951 lactams Chemical class 0.000 title abstract 3
- 125000002723 alicyclic group Chemical group 0.000 title abstract 2
- 230000000875 corresponding effect Effects 0.000 title 1
- 230000001131 transforming effect Effects 0.000 title 1
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 abstract 11
- 239000002253 acid Substances 0.000 abstract 3
- 150000001768 cations Chemical class 0.000 abstract 2
- 229960001760 dimethyl sulfoxide Drugs 0.000 abstract 2
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 abstract 2
- 150000002923 oximes Chemical class 0.000 abstract 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 abstract 1
- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 abstract 1
- 229910052810 boron oxide Inorganic materials 0.000 abstract 1
- 239000003729 cation exchange resin Substances 0.000 abstract 1
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 abstract 1
- 239000002808 molecular sieve Substances 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 230000008707 rearrangement Effects 0.000 abstract 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 abstract 1
- 239000011949 solid catalyst Substances 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/02—Preparation of lactams
- C07D201/04—Preparation of lactams from or via oximes by Beckmann rearrangement
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/945—Proximity switches
- H03K17/95—Proximity switches using a magnetic detector
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Other In-Based Heterocyclic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Hydrogenated Pyridines (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7106705A NL162374C (nl) | 1971-05-15 | 1971-05-15 | Werkwijze voor de omlegging van alicyclische ketoximen in de overeenkomstige lactamen. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1342550A true GB1342550A (en) | 1974-01-03 |
Family
ID=19813175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2243072A Expired GB1342550A (en) | 1971-05-15 | 1972-05-12 | Process for transforming alicyclic ketoximes into the corres ponding lactams |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5139233B1 (enExample) |
| BE (1) | BE783491A (enExample) |
| CH (1) | CH572033A5 (enExample) |
| DE (1) | DE2223643C3 (enExample) |
| FR (1) | FR2137887B1 (enExample) |
| GB (1) | GB1342550A (enExample) |
| IT (1) | IT957844B (enExample) |
| NL (1) | NL162374C (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0639565A1 (en) * | 1993-08-20 | 1995-02-22 | Dsm N.V. | Process for preparing a lactam |
| RU2101278C1 (ru) * | 1992-06-30 | 1998-01-10 | Дсм Н.В. | Способ превращения кетоксима или альдоксима в соответствующий амид |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0461779B1 (en) * | 1990-06-15 | 1995-08-16 | Yusuke Izumi | Reaction accelerator for rearrangement of oxime to amide and process for producing amides by rearrangement of oximes |
-
1971
- 1971-05-15 NL NL7106705A patent/NL162374C/xx not_active IP Right Cessation
-
1972
- 1972-05-12 GB GB2243072A patent/GB1342550A/en not_active Expired
- 1972-05-13 IT IT5023472A patent/IT957844B/it active
- 1972-05-15 FR FR7217243A patent/FR2137887B1/fr not_active Expired
- 1972-05-15 JP JP47048013A patent/JPS5139233B1/ja active Pending
- 1972-05-15 BE BE783491A patent/BE783491A/xx unknown
- 1972-05-15 DE DE19722223643 patent/DE2223643C3/de not_active Expired
- 1972-05-15 CH CH719572A patent/CH572033A5/xx not_active IP Right Cessation
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2101278C1 (ru) * | 1992-06-30 | 1998-01-10 | Дсм Н.В. | Способ превращения кетоксима или альдоксима в соответствующий амид |
| EP0639565A1 (en) * | 1993-08-20 | 1995-02-22 | Dsm N.V. | Process for preparing a lactam |
| BE1007409A3 (nl) * | 1993-08-20 | 1995-06-06 | Dsm Nv | Werkwijze voor het bereiden van een lactam. |
| US5571913A (en) * | 1993-08-20 | 1996-11-05 | Dsm N.V. | Process for preparing a lactam |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2223643A1 (de) | 1972-11-30 |
| NL162374B (nl) | 1979-12-17 |
| FR2137887A1 (enExample) | 1972-12-29 |
| IT957844B (it) | 1973-10-20 |
| FR2137887B1 (enExample) | 1979-08-24 |
| NL162374C (nl) | 1980-05-16 |
| JPS5139233B1 (enExample) | 1976-10-26 |
| BE783491A (fr) | 1972-11-16 |
| CH572033A5 (enExample) | 1976-01-30 |
| DE2223643C3 (de) | 1981-08-20 |
| DE2223643B2 (de) | 1980-09-25 |
| NL7106705A (enExample) | 1972-11-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |